Canadian Manufacturing

Troubleshooting humidity and adhesives

Bathtub manufacturer finds single adhesive to reduce inventory and scrap

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—Sponsored article by Henkel Canada Corp.

Extreme temperature swings during Canadian summers and winters can wreak havoc on manufacturing processes and quality control.

Such was the case with a manufacturer of high line bathtubs, which experienced curing problems with adhesives used in aromatherapy cartridge assembly during very cold periods when plant heating systems lowered humidity to less than 25 percent.

The manufacturer was forced to use separate adhesives for bonding plastic and metal, increasing inventory costs. Defective parts had to be reworked or scrapped, increasing total product cost and waste.

Henkel Canada product experts suggested Loctite 4090, a hybrid adhesive designed to incorporate the best features of cyanoacrylates and epoxy formulas. The product works on a variety of substrates and is Henkel’s first instant adhesive suitable for structural applications.

Loctite 4090 resists impact, moisture, heat and temperature, while providing the speed of an instant adhesive. It’s also low blooming and offers good UV resistance.

Using Loctite 4090, the manufacturer was able to assemble the aromatherapy cartridges with just one adhesive and without concern for low seasonal humidity. Part quality has improved and scrap has been greatly reduced.Henkel bath manufact case st

The single adhesive bonds all materials in all conditions, to improve quality and reduce adhesive inventories. Product input at the manufacturer was also optimized.

Henkel is a leading solution provider for adhesives, sealants and functional coatings worldwide. We offer a comprehensive portfolio of tailor-made solutions for our customers and of high-quality consumer products. For more information visit: Henkel Canada Corp.
For additional case studies on adhesives and other strategies to boost shop floor efficiency, visit the Productivity Success Centre.

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